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Colour

#337A71

  • #337A71
  • Cyan
  • Dark
  • Nearest: Teal

#337A71 is a cyan with RGB values 51, 122, 113 and HSL 172°, 41%, 34%. It is a dark colour, so white text on it reaches 5:1 contrast (AA for normal text). The nearest named colour is Teal.

Colour values

#337A71#337A71
HEX#337A71
RGBrgb(51, 122, 113)
RGB (0–1)0.2, 0.4784, 0.4431
RGB percentages20%, 47.8%, 44.3%
HSLhsl(172.4, 41%, 33.9%)
HSV / HSBhsv(172.4, 58.2%, 47.8%)
CMYK58.2%, 0%, 7.4%, 52.2%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer3,373,681
CSS custom property--colour: #337A71;

Brightness & contrast

Relative luminance0.15815WCAG 2.x, 0 is black and 1 is white
Perceived brightness104.7 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 5.04:1
Contrast with white5.04:1WCAG normal text: AA
Contrast with black4.16:1WCAG normal text: Fail
Greyscale equivalent#6A6A6A
Inverted#CC858E

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#747471no red cones; affects about 1% of men; ΔE 24.2 from the original
Deuteranopia#696B72no green cones; the most common form, about 1% of men; ΔE 25.4 from the original
Tritanopia#007C77no blue cones; rare, and affects men and women equally; ΔE 6.5 from the original
Distinguishable without hueYesnever rely on hue alone to carry meaning
Contrast with white, large text5.04:1WCAG large text: AAA
Contrast with black, large text4.16:1WCAG large text: AA

Named colours

Teal · ΔE 8.1Dark cyan · ΔE 10.9Cadetblue · ΔE 16.2Dark slate grey · ΔE 20.2Light seagreen · ΔE 23.5Dim grey · ΔE 24.7
Nearest named CSS colourTeal (#008080)ΔE 8.14, clearly different but related
Hue familycyan
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#7A333C
Analogous#337A4E, #33607A
Triadic#71337A, #7A7133
Split complementary#7A3360, #7A4E33
Tetradic#4D337A, #7A333C, #607A33

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#A1D8D1
Lighter +30%#7DC9BF
Lighter +20%#59BAAD
Lighter +10%#429E92
Darker −10%#245650
Darker −20%#15322E
Darker −30%#060E0D
Darker −40%#000000
More saturated +25%#1D9081
Less saturated −25%#496461

Channel breakdown

R51
G122
B113
Red51 (20%)
Green122 (47.8%)
Blue113 (44.3%)
Hue172.39°
Saturation (HSL)41.04%
Lightness33.92%
Dominant channelGreen
Hex per channelR 33 · G 7A · B 71

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Every value on this page was computed from “337a71” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.